It is rather unfortunate, but twrp.img could not be transferred to the Xiaomi phone simply because the computer from which it was done, did not have a USB 2.0 port. To overcome this, connect a USB 2.0 hub to the USB 3.0 port of the laptop. Then connect the Xiaomi phone USB cable to the … Continue reading How to use fastboot on Android phone from a computer with USB 3.0 ports only